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On the desktop of Apple computer, click the "Launchpad" icon at the bottom of the screen to enter the Launchpad window. Find and click the "App Store" icon in the window to open the Apple App Store. Next, switch to the Updates tab and if new updates are available, they will appear in the window.
Click on the Apple logo icon in the upper left corner of your computer and select "About This Mac". On the About This Mac screen, click "Software Update". On the software update interface, click "Upgrade Now" to upgrade the system. After completing the upgrade, enter the "Advanced" settings interface.
First, make sure your Mac supports installing the latest macOS version. This step is very important, especially for older early model Macs. Before upgrading, you should first confirm the highest supported macOS version. Taking macOS Sierra as an example, one of the following Mac models and OS X versions is required.
First, click the Apple icon in the upper left corner of the desktop and select "About This Mac", as shown in the figure below. Then, click "Software Update" at the bottom of the overview dialog box, as shown in the figure below. Then, you can see the current system version in the pop-up dialog box, and click "Upgrade Now" on the right.
Before upgrading, you need to check the current MacOS system version. Open the Applications folder and find and open the System Information application. Click the "Software" option in the left navigation menu to view the current system version.
Click the "Launchpad" icon on the Apple computer desktop to enter the App Store, and then switch to "Updates".
Open your Mac computer, enter the home screen, and click "System Preferences." In the window that opens, find and click "Software Update". Next, click on the “macOS Catalina Upgrade” option. In the new pop-up window, click the "Upgrade Now" button. Follow the on-screen instructions to start the upgrade.
To open the About This Mac page, click on the logo icon in the upper left corner of the Apple computer, and then select "About This Mac". In the About This Mac interface, find and click the "Software Update" function. Then, on the software update interface, click "Upgrade Now" to upgrade the system.
1. To open the About This Mac page, click on the logo icon in the upper left corner of the Apple computer, and then select "About This Mac" machine". In the About This Mac interface, find and click the "Software Update" function. Then, on the software update interface, click "Upgrade Now" to upgrade the system.
2. The specific steps are as follows: First open the Mac computer, click the Apple icon pointed by the red arrow; then click the System Preferences pointed by the red arrow; select Software Update pointed by the red arrow; enter the update page, When you see content that needs to be updated, click on the red arrow to upgrade immediately.
3. Turn on your Mac computer, enter the home screen, and click "System Preferences." In the window that opens, find and click "Software Update". Next, click on the “macOS Catalina Upgrade” option. In the new pop-up window, click the "Upgrade Now" button. Follow the on-screen instructions to start the upgrade.
4. Or directly connect the power cord to upgrade. It takes about 1 hour to upgrade the system. The latest Mac system currently is OS X 11 El Capitan. The OS X 11 developer preview version was released at the 2015 WWDC conference. This version aims to fix some Yosemite vulnerabilities and make some improvements in functionality and performance.
5. Before upgrading, you need to check the current MacOS system version. Open the Applications folder and find and open the System Information application. Click the "Software" option in the left navigation menu to view the current system version.
6. First turn on the computer, enter the desktop, find the Launchpad icon, and open it. After entering the page, find the app store icon and open it. As shown in the picture, in the search box on the upper left of the opened page, enter catalina to search. Then in the results, click on This new system.
The way to open the About This Mac page is to click on the logo icon in the upper left corner of the Apple computer, and then select "About This Mac". In the About This Mac interface, find and click the "Software Update" function. Then, on the software update interface, click "Upgrade Now" to upgrade the system.
If you selected "System Settings", click "General" on the left side of the window. Then click "Software Update" on the right.
Open your Mac computer, enter the home screen, and click "System Preferences." In the window that opens, find and click "Software Update". Next, click on the “macOS Catalina Upgrade” option. In the new pop-up window, click the "Upgrade Now" button. Follow the on-screen instructions to start the upgrade.
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